AU5370386A - Catalytic reduction of nitrogen oxides in exhaust gases - Google Patents

Catalytic reduction of nitrogen oxides in exhaust gases

Info

Publication number
AU5370386A
AU5370386A AU53703/86A AU5370386A AU5370386A AU 5370386 A AU5370386 A AU 5370386A AU 53703/86 A AU53703/86 A AU 53703/86A AU 5370386 A AU5370386 A AU 5370386A AU 5370386 A AU5370386 A AU 5370386A
Authority
AU
Australia
Prior art keywords
nitrogen oxides
exhaust gases
catalytic reduction
ammonia
regard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU53703/86A
Other languages
English (en)
Inventor
Hans-Eugen Buhler
Claus Flockenhaus
Daniel Grimm
Erich Hackler
Johann Jansen
Hartmut Kainer
Horst Kalfa
Karl Heinrich Laur
Blagoje Levkov
Arnold Max
Theo Sander
Hermann Stein
Werner Stender
Dietrich Wagener
Egmar Wunderlich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Didier Engineering GmbH
Didier Werke AG
Original Assignee
Didier Engineering GmbH
Didier Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Didier Engineering GmbH, Didier Werke AG filed Critical Didier Engineering GmbH
Publication of AU5370386A publication Critical patent/AU5370386A/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/85—Chromium, molybdenum or tungsten
    • B01J23/86—Chromium
    • B01J23/862—Iron and chromium
AU53703/86A 1985-02-19 1986-02-18 Catalytic reduction of nitrogen oxides in exhaust gases Abandoned AU5370386A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853505648 DE3505648A1 (de) 1985-02-19 1985-02-19 Katalysator zur selektiven reduzierung von stickoxiden in abgasen sowie verfahren zur herstellung und verwendung eines solchen katalysators
DE3505648 1985-02-19

Publications (1)

Publication Number Publication Date
AU5370386A true AU5370386A (en) 1986-08-28

Family

ID=6262898

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53703/86A Abandoned AU5370386A (en) 1985-02-19 1986-02-18 Catalytic reduction of nitrogen oxides in exhaust gases

Country Status (7)

Country Link
US (1) US4695559A (de)
EP (1) EP0191918B1 (de)
JP (1) JPS61192344A (de)
AT (1) ATE41879T1 (de)
AU (1) AU5370386A (de)
DE (2) DE3505648A1 (de)
ZA (1) ZA861246B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU585820B2 (en) * 1986-06-13 1989-06-22 Johnson Matthey Inc. Selective catalytic reduction catalysts
AU585819B2 (en) * 1986-06-13 1989-06-22 Johnson Matthey Inc. Selective catalytic reduction catalysts

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3531651C1 (de) * 1985-09-05 1987-02-19 Didier Werke Ag Katalysator in Form einer Platte fuer die Stickoxidreduzierung in Abgasen
DE3532207A1 (de) * 1985-09-10 1987-03-19 Didier Eng Verfahren zur herstellung von katalysatorformlingen
DE3634360A1 (de) * 1986-09-03 1988-03-10 Weber Ekkehard Verfahren zur selektiven katalytischen reduktion von stickoxiden
DE3633515A1 (de) * 1986-10-02 1988-04-14 Didier Werke Ag Katalysator in form einer platte fuer die stickoxidreduzierung in abgasen
DE3727118A1 (de) * 1987-08-14 1989-02-23 Didier Werke Ag Verfahren zur herstellung von katalysatoren fuer die reduzierung von stickoxiden aus abgasen oder fuer chemische luftreinigungsverfahren und nach dem verfahren hergestellte katalysatoren
DE3727119A1 (de) * 1987-08-14 1989-02-23 Didier Werke Ag Verfahren zur herstellung von katalysatoren fuer die reduzierung von stickoxiden aus abgasen oder fuer chemische luftreinigungsverfahren und nach dem verfahren hergestellte katalysatoren
EP0375391B2 (de) * 1988-12-21 1997-09-17 Babcock-Hitachi Kabushiki Kaisha Verfahren zur Herstellung von einem Katalysator zur Entfernung von Stickoxiden
DE3908740A1 (de) * 1989-03-17 1990-11-29 Didier Werke Ag Verfahren zur entfernung oder verminderung von halogenierten aromaten aus abgasen von verbrennungsanlagen fuer muell oder sondermuell
DE4032085A1 (de) * 1990-10-10 1992-04-16 Didier Werke Ag Katalysatoranordnung zur reduktion von stickoxiden
DE4217738A1 (de) * 1992-05-29 1993-12-02 Huels Chemische Werke Ag Verfahren zur Minderung der Schwefeltrioxidbildung in Rauchgasen von Verbrennungsanlagen
CN105854869A (zh) * 2016-04-28 2016-08-17 大唐南京环保科技有限责任公司 一种平板式脱硝催化剂及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT996627B (it) * 1972-10-13 1975-12-10 Degussa Procedimento per la produzione di un catalizzatore sopportaio
US4107272A (en) * 1973-05-21 1978-08-15 Hitachi, Ltd. Process for removing nitrogen oxides using ammonia as a reductant and sulfated metallic catalysts
GB1448550A (en) * 1974-01-31 1976-09-08 Japan Gasoline Process for the removal of nitrogen oxides from a gas stream
JPS51134370A (en) * 1975-05-16 1976-11-20 Nippon Kokan Kk <Nkk> Process for removal of nitrogen oxides in exhaust gas
DE2552003C3 (de) * 1975-11-20 1978-11-30 Ube Industries, Ltd., Ube, Yamaguchi (Japan) Eisen, Chrom und Aluminium gegebenenfalls auf einem Träger enthaltender Katalysator zur Reduktion von Stickstoffoxiden mit Ammoniak
JPS5296992A (en) * 1976-02-10 1977-08-15 Kyushu Refractories Reduction catalysts for nitrogen oxides and its manufacture
US4049777A (en) * 1976-05-20 1977-09-20 Didier Engineering Gmbh Method of waste gas treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU585820B2 (en) * 1986-06-13 1989-06-22 Johnson Matthey Inc. Selective catalytic reduction catalysts
AU585819B2 (en) * 1986-06-13 1989-06-22 Johnson Matthey Inc. Selective catalytic reduction catalysts

Also Published As

Publication number Publication date
DE3505648A1 (de) 1986-08-21
ZA861246B (en) 1986-10-29
JPS61192344A (ja) 1986-08-26
DE3569205D1 (en) 1989-05-11
EP0191918B1 (de) 1989-04-05
ATE41879T1 (de) 1989-04-15
EP0191918A1 (de) 1986-08-27
DE3505648C2 (de) 1987-02-19
US4695559A (en) 1987-09-22

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